deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb [arch=amd64] https://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu xenial stable
deb https://mirrors.aliyun.com/kubernetes/apt/ kubernetes-xenial main
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
# deb [arch=amd64] https://baltocdn.com/helm/stable/debian/ all main